Patent Assignment Details
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| Reel/Frame: | 012257/0052 | |
| Pages: | 4 |
| | Recorded: | 10/15/2001 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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09/09/2003
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Application #:
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09846745
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Filing Dt:
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05/01/2001
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Publication #:
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Pub Dt:
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11/07/2002
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Title:
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ROLLER CONE BITS WITH WEAR AND FRACTURE RESISTANT SURFACE
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Assignee
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| 16740 HARDY STREET |
| HOUSTON, TEXAS 77032 |
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Correspondence name and address
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CHRISTIE, PARKER & HALE, LLP
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GRANT T. LANGTON
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P.O. BOX 7068
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PASADENA, CALIFORNIA 91109-7068
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